Home / 20,680,076.20-31,020,114.30-5,534,007.70

Finding the Fourth Proportional to 20,680,076.20, 31,020,114.30 and 5,534,007.70

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Solution

The fourth proportional to 20,680,076.20, 31,020,114.30 and 5,534,007.70 is: 8,301,011.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,680,076.20 : 31,020,114.30 = 5,534,007.70 : x
  2. Step 2: Convert to fraction form
    20,680,076.20/31,020,114.30 = 5,534,007.70/x
  3. Step 3: Cross multiply
    20,680,076.20x = 31,020,114.30 × 5,534,007.70
  4. Step 4: Simplify right side
    20,680,076.20x = 171,665,551,391,080.12
  5. Step 5: Solve for x
    x = 171,665,551,391,080.12/20,680,076.20
  6. Step 6: Final answer
    x = 8,301,011.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.